Dcs Transmitter - Samsung SGH-ZV30 Service Manual

Flow Chart of Troubleshooting

7-14. DCS Transmitter

TX ON (0 Level)
Yes
U105(PAM) Pin45
> = 1V
Yes
OSC101(TXVCO)
pin5
>= 2dBm
Yes
U105(PAM) pin31
> = 23dBm
Yes
U106(ASM)
pin22
> = 20dBm
Yes
Check U302
(MSM6250)
END
No
No
No
Resolder U105(PAM)
No
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Resolder U105
(PAM)
Resolder OSC101
(TXVCO)
Resolder U106
(ASM)
7-22